# Philips HX4021

- Name: Philips Sonicare 2100 Series HX4021 / フィリップス ソニッケアー 2100シリーズ HX4021 / 飞利浦 Sonicare 2100 系列 HX4021
- Brand: Philips / フィリップス
- Category: Electric Toothbrush
- Version: Worldwide voltage (TBD)
- Page: https://bestjapanbuy.com/en/p/philips-hx4021/
- Updated: 2026-10-23

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥4,980 (incl. tax); of the 21 destinations we check, it works as is in all 21.

One of Philips's cheapest entry models for 2026, with a DC 5V USB charging stand.

- Good for: People with a budget of around ¥5,000
- Not for: Those who want multiple modes and a pressure sensor

## Price in Japan

- Japan reference price incl. tax (Lowest online price, shipping not included): JP¥4,980
- Tax-free / after refund: JP¥4,527
- Flights: OK on the plane

## Will it work? (by destination)

| Destination | Result | Notes |
| --- | --- | --- |
| Mainland China | ✓ Works as is | — |
| Hong Kong | ✓ Works as is | — |
| Macao | ✓ Works as is | — |
| Taiwan | ✓ Works as is | — |
| Singapore | ✓ Works as is | — |
| South Korea | ✓ Works as is | — |
| United States | ✓ Works as is | — |
| Thailand | ✓ Works as is | — |
| Malaysia | ✓ Works as is | — |
| Philippines | ✓ Works as is | — |
| Vietnam | ✓ Works as is | — |
| Indonesia | ✓ Works as is | — |
| India | ✓ Works as is | — |
| Australia | ✓ Works as is | — |
| New Zealand | ✓ Works as is | — |
| Canada | ✓ Works as is | — |
| United Kingdom | ✓ Works as is | — |
| Germany | ✓ Works as is | — |
| France | ✓ Works as is | — |
| Italy | ✓ Works as is | — |
| Spain | ✓ Works as is | — |

## Specs

| Item | Value |
| --- | --- |
| Brand | Philips / フィリップス |
| Model | HX4021 |
| Version | Worldwide voltage |
| Voltage | TBD |
| Frequency | TBD |
| Plug | TBD |
| Power | TBD |
| Battery | Lithium-ion |
| Released | 2026 |
| Drive type | Sonic vibration |
| Charging | USB charging (charger not included) |
| Cleaning modes | TBD |
| Battery runtime | TBD |
| Weight | TBD |
| Panel language | TBD |

## Reviews

TBD

## Frequently asked questions

### Can I use the Philips HX4021 outside Japan?

Of the 21 destinations we check, it works as is in all 21.

### How much is the Philips HX4021 in Japan tax-free?

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥4,980 including tax. Tax-free or after the refund it is JP¥4,527. It costs less than JP¥5,000 (excl. tax) on its own, so you need to combine purchases at one store on one day to buy tax-free. From Nov 1, 2026, you pay the tax-included price in store and get the tax refunded when you leave Japan (a fee may apply).

### Where can I buy the Philips HX4021 in Japan?

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go. The price we list is from Kakaku.com (2026-10-23); prices in store may differ.


## Sources

- Specs: [Philips official site](https://www.philips.co.jp/c-p/HX4021_01)
- Japan price: [Kakaku.com](https://kakaku.com/item/K0001781048/) (2026-10-23)

> Data from BestJapanBuy (bestjapanbuy.com). Please credit and link to the page when using it. Prices are for reference only; check in store.
> Translated with AI; the Chinese version is authoritative.